... (1) Rough Turned (2) Normalized/Q+T/Annealed forged alloy steel round bar 20CrMnMo-40CrMnMo Zhangjiagang Yongsheng Casting Co.,Ltd is a ... in producing forging, carbon steels, alloy steels, tool steels, forged round bars, square bars.Wehave integrated with smelting,forging,machining andheat ...